From: Xu Panda <xu.panda@xxxxxxxxxx>
The implementation of strscpy() is more robust and safer.
That's now the recommended way to copy NUL terminated strings.
Signed-off-by: Xu Panda <xu.panda@xxxxxxxxxx>
Signed-off-by: Yang Yang <yang.yang29@xxxxxxx>
---
drivers/of/base.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/of/base.c b/drivers/of/base.c
index d5a5c35eba72..ac6fde53342f 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1884,8 +1884,7 @@ static void of_alias_add(struct alias_prop *ap, struct device_node *np,
{
ap->np = np;
ap->id = id;
- strncpy(ap->stem, stem, stem_len);
- ap->stem[stem_len] = 0;
+ strscpy(ap->stem, stem, stem_len + 1);
list_add_tail(&ap->link, &aliases_lookup);
pr_debug("adding DT alias:%s: stem=%s id=%i node=%pOF\n",
ap->alias, ap->stem, ap->id, np);
--
2.15.2
